/*
 * Copyright 2008 the original author or authors.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.wamblee.system.graph.component;

import junit.framework.TestCase;

import org.wamblee.system.container.Application;
import org.wamblee.system.container.Container;
import org.wamblee.system.core.Component;
import org.wamblee.system.core.DefaultProvidedInterface;
import org.wamblee.system.core.DefaultRequiredInterface;
import org.wamblee.system.core.Environment;
import org.wamblee.system.graph.DefaultEdge;
import org.wamblee.system.graph.DefaultNode;
import org.wamblee.system.graph.Edge;
import org.wamblee.system.graph.EdgeFilter;
import org.wamblee.system.graph.Node;

public class ConnectExternalProvidedProvidedEdgeFilterTest extends TestCase {

    private Container _container;
    private Component _internal;
    private String _externalInterfaceName;
    private String _internalComponentName;
    private String _internalInterfaceName;
    private Edge _edge;

    @Override
    protected void setUp() throws Exception {
        _container = new Container("container")
                .addProvidedInterface(new DefaultProvidedInterface("string",
                        String.class));
        _internal = new Environment("env1");

        _externalInterfaceName = _container.getProvidedInterfaces()[0]
                .getName();
        _internalComponentName = _internal.getName();
        _internalInterfaceName = _internal.getProvidedInterfaces()[0].getName();

        _edge = new DefaultEdge(new ExternalProvidedInterfaceNode(_container,
                _container.getProvidedInterfaces()[0]),
                new ProvidedInterfaceNode(_internal, _internal
                        .getProvidedInterfaces()[0]));
    }

    public void testWrongExternal() {
        EdgeFilter filter = new ConnectExternalProvidedProvidedFilter(
                _externalInterfaceName + "x", _internalComponentName,
                _internalInterfaceName);
        assertFalse(filter.isViolated(_edge));
    }

    public void testRightExternalWrongComponent() {
        EdgeFilter filter = new ConnectExternalProvidedProvidedFilter(
                _externalInterfaceName, _internalComponentName + "x",
                _internalInterfaceName);
        assertTrue(filter.isViolated(_edge));
    }

    public void testRightExternalWrongInternal() {
        EdgeFilter filter = new ConnectExternalProvidedProvidedFilter(
                _externalInterfaceName, _internalComponentName,
                _internalInterfaceName + "x");
        assertTrue(filter.isViolated(_edge));
    }
    
    public void testEverythingRight() { 
        EdgeFilter filter = new ConnectExternalProvidedProvidedFilter(
                _externalInterfaceName, _internalComponentName,
                _internalInterfaceName);
        assertFalse(filter.isViolated(_edge));
    }


    public void testWrongEdgeType() {
        EdgeFilter filter = new ConnectExternalProvidedProvidedFilter(
                _externalInterfaceName, _internalComponentName,
                _internalInterfaceName);
        DefaultEdge edge = new DefaultEdge(new DefaultNode("x"),
                new DefaultNode("y"));
        assertFalse(filter.isViolated(edge));
    }

}